royal blue damsel

laurenkelly · 03-07-2007, 12:31 PM

hey i recently set up a marine aquarium and have a yellow tailed damsel and a royal blue damsel a couple of days ago i purchased some live rock and this seemed to make the fish alot more lively and active. this morning i woke up and my blue damsel was white when i switched the light on the colour gradually came back he also seems to have really jerky movements can anyone help??

**leebca** · 03-07-2007, 01:24 PM

WELCOME TO REEFLAND!

The temporary loss of color is usual for two primary reasons: A night-time color to help the fish hide; or a stressor is affecting the fish.

You mentioned adding LR. This can be a bit tricky to a marine system already established and running. Live rock, even the best that can be bought sometimes runs the risk of die-off, creating poisons in the tank. The addition of LR that is not cured would be a certain reason for the fish's response.

Have you checked for ammonia and nitrites? Check all water parameters immediately. I'd check to be sure they are all still in order at least. You don't mention if you have a skimmer. If so, is it drawing any extra or unusual organics out of the water?

To be on the safe side, I would recommend an immediate large water change (over 80%), following general water changing guidelines: how do I do a water change?

Make sure you are using pure source water: WATER - Source and NSW

If the fish's behavior does not straighten out, the water parameters check out, and you've done the water change, then perform another large water change and hope the fish recovers.

Keep us informed.

**leebca** · 03-07-2007, 01:26 PM

If you think or know that the live rock was not cured properly or is the problem -- remove it from the aquarium and keep it in its own bucket of saltwater.

laurenkelly · 03-07-2007, 01:35 PM

i dont have a skimmer and the rock was bought cured

**leebca** · 03-07-2007, 01:39 PM

"Cured" means different things to different people. As most aquarists know, cured rock has to be cured again before its use. It depends on where you got it and the conditions it came from.

If you're interested, there is a post about live rock: What is Live Rock, Anyway?

03-07-2007, 12:31 PM	#1
laurenkelly New in Town Join Date: Mar 2007 Location: united kingdom Posts: 2	royal blue damsel hey i recently set up a marine aquarium and have a yellow tailed damsel and a royal blue damsel a couple of days ago i purchased some live rock and this seemed to make the fish alot more lively and active. this morning i woke up and my blue damsel was white when i switched the light on the colour gradually came back he also seems to have really jerky movements can anyone help??

03-07-2007, 01:24 PM	#2
leebca Moderator - LEE Join Date: May 2006 Location: So CA Posts: 2,229	Re: royal blue damsel WELCOME TO REEFLAND! The temporary loss of color is usual for two primary reasons: A night-time color to help the fish hide; or a stressor is affecting the fish. You mentioned adding LR. This can be a bit tricky to a marine system already established and running. Live rock, even the best that can be bought sometimes runs the risk of die-off, creating poisons in the tank. The addition of LR that is not cured would be a certain reason for the fish's response. Have you checked for ammonia and nitrites? Check all water parameters immediately. I'd check to be sure they are all still in order at least. You don't mention if you have a skimmer. If so, is it drawing any extra or unusual organics out of the water? To be on the safe side, I would recommend an immediate large water change (over 80%), following general water changing guidelines: how do I do a water change? Make sure you are using pure source water: WATER - Source and NSW If the fish's behavior does not straighten out, the water parameters check out, and you've done the water change, then perform another large water change and hope the fish recovers. Keep us informed. __________________ LEE Post your fish care and health questions on the Reefland MARINE FISH: CARE, HEALTH AND DISEASE TREATMENT Forum.

03-07-2007, 01:26 PM	#3
leebca Moderator - LEE Join Date: May 2006 Location: So CA Posts: 2,229	Re: royal blue damsel If you think or know that the live rock was not cured properly or is the problem -- remove it from the aquarium and keep it in its own bucket of saltwater. __________________ LEE Post your fish care and health questions on the Reefland MARINE FISH: CARE, HEALTH AND DISEASE TREATMENT Forum.

03-07-2007, 01:35 PM	#4
laurenkelly New in Town Join Date: Mar 2007 Location: united kingdom Posts: 2	Re: royal blue damsel i dont have a skimmer and the rock was bought cured

03-07-2007, 01:39 PM	#5
leebca Moderator - LEE Join Date: May 2006 Location: So CA Posts: 2,229	Re: royal blue damsel "Cured" means different things to different people. As most aquarists know, cured rock has to be cured again before its use. It depends on where you got it and the conditions it came from. If you're interested, there is a post about live rock: What is Live Rock, Anyway? __________________ LEE Post your fish care and health questions on the Reefland MARINE FISH: CARE, HEALTH AND DISEASE TREATMENT Forum.

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